gesture

chironomy, cheironomy1. the science of gesture.
2. the art of conducting singers of Gregorian chant through hand gestures to mark the rise or fall of the melody. —chironomic, cheironomic,adj.dactylology
the science of manual sign language, as for use in communicating with the deaf. —dactylotogist,n. —dactylologic, dactylological,adj.kinemicsLinguistics. the study of units of gestural expression.
kinesicsLinguistics. a systematic study of nonverbal body gestures, as smiles, hand motions, or other movements, in their relation to human communication; body language. Also called pasimology. —kinesic,adj.pasimology
kinesics.
pathognomy
the study of the signs that reveal human passions. —pathognomonic,adj.